// SPDX-License-Identifier: GPL-2.0
/* Copyright( c ) 2009-2012  Realtek Corporation.*/

#include "../wifi.h"
#include "../pci.h"
#include "reg.h"
#include "led.h"

static void _rtl92ce_init_led( struct ieee80211_hw *hw,
			      struct rtl_led *pled, enum rtl_led_pin ledpin )
{
	pled->hw = hw;
	pled->ledpin = ledpin;
	pled->ledon = false;
}

void rtl92ce_sw_led_on( struct ieee80211_hw *hw, struct rtl_led *pled )
{
	u8 ledcfg;
	struct rtl_priv *rtlpriv = rtl_priv( hw );

	RT_TRACE( rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
		 REG_LEDCFG2, pled->ledpin );

	ledcfg = rtl_read_byte( rtlpriv, REG_LEDCFG2 );

	switch ( pled->ledpin ) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		rtl_write_byte( rtlpriv,
			       REG_LEDCFG2, ( ledcfg & 0xf0 ) | BIT( 5 ) | BIT( 6 ) );
		break;
	case LED_PIN_LED1:
		rtl_write_byte( rtlpriv, REG_LEDCFG2, ( ledcfg & 0x0f ) | BIT( 5 ) );
		break;
	default:
		pr_err( "switch case %#x not processed\n",
		       pled->ledpin );
		break;
	}
	pled->ledon = true;
}

void rtl92ce_sw_led_off( struct ieee80211_hw *hw, struct rtl_led *pled )
{
	struct rtl_priv *rtlpriv = rtl_priv( hw );
	u8 ledcfg;

	RT_TRACE( rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
		 REG_LEDCFG2, pled->ledpin );

	ledcfg = rtl_read_byte( rtlpriv, REG_LEDCFG2 );

	switch ( pled->ledpin ) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		ledcfg &= 0xf0;
		if ( rtlpriv->ledctl.led_opendrain )
			rtl_write_byte( rtlpriv, REG_LEDCFG2,
				       ( ledcfg | BIT( 1 ) | BIT( 5 ) | BIT( 6 ) ) );
		else
			rtl_write_byte( rtlpriv, REG_LEDCFG2,
				       ( ledcfg | BIT( 3 ) | BIT( 5 ) | BIT( 6 ) ) );
		break;
	case LED_PIN_LED1:
		ledcfg &= 0x0f;
		rtl_write_byte( rtlpriv, REG_LEDCFG2, ( ledcfg | BIT( 3 ) ) );
		break;
	default:
		pr_info( "switch case %#x not processed\n", pled->ledpin );
		break;
	}
	pled->ledon = false;
}

void rtl92ce_init_sw_leds( struct ieee80211_hw *hw )
{
	struct rtl_priv *rtlpriv = rtl_priv( hw );

	_rtl92ce_init_led( hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0 );
	_rtl92ce_init_led( hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1 );
}

static void _rtl92ce_sw_led_control( struct ieee80211_hw *hw,
				    enum led_ctl_mode ledaction )
{
	struct rtl_priv *rtlpriv = rtl_priv( hw );
	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;

	switch ( ledaction ) {
	case LED_CTL_POWER_ON:
	case LED_CTL_LINK:
	case LED_CTL_NO_LINK:
		rtl92ce_sw_led_on( hw, pled0 );
		break;
	case LED_CTL_POWER_OFF:
		rtl92ce_sw_led_off( hw, pled0 );
		break;
	default:
		break;
	}
}

void rtl92ce_led_control( struct ieee80211_hw *hw,
			enum led_ctl_mode ledaction )
{
	struct rtl_priv *rtlpriv = rtl_priv( hw );
	struct rtl_ps_ctl *ppsc = rtl_psc( rtl_priv( hw ) );

	if ( ( ppsc->rfoff_reason > RF_CHANGE_BY_PS ) &&
	    ( ledaction == LED_CTL_TX ||
	     ledaction == LED_CTL_RX ||
	     ledaction == LED_CTL_SITE_SURVEY ||
	     ledaction == LED_CTL_LINK ||
	     ledaction == LED_CTL_NO_LINK ||
	     ledaction == LED_CTL_START_TO_LINK ||
	     ledaction == LED_CTL_POWER_ON ) ) {
		return;
	}
	RT_TRACE( rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n",
		 ledaction );
	_rtl92ce_sw_led_control( hw, ledaction );
}
